If there are any intelligent aliens in the GJ 273 system, they can expect to hear from us about a dozen years from now.
Aliens can refer to everything from little green men in the sci-fi realm to microscopic life forms beyond Earth. For all these possibilities, Live Science has you covered. We break down the latest discoveries that hint at life on other planets and the state of scientific searches for such extraterrestrial life. Sometimes, we may dissect a "little green man" sighting as well.
Area 51. The name conjures an aura of secrecy, mystery, and of course, extraterrestrial happenings. Here's a look at some of the strangest facts about the spot.
A massive, glowing bubble of light erupted in the sky above northeastern Siberia, which may have been created by a test missile launch.
Maybe intelligent life is widespread throughout the galaxy, but most of it lives in deep, dark subsurface oceans that are cut off from the rest of the cosmos.
Physical systems that are out of equilibrium may naturally produce self-replicating chemical reactions, one of the necessary steps in the origin of life.
NASA is looking to hire a planetary protection officer, a person who will lead the agency's efforts to keep its spacecraft from contaminating worlds with life-forms that don't belong there.
Tardigrades are virtually indestructible, and scientists believe alien life could share some of the same qualities as these tiny creatures.
Intelligent, extraterrestrial life could be advanced in ways that would stymie efforts to find them.
Communication between Earthlings and intelligent aliens should be based on mathematics — exo-arithmetic greetings that form a shared lingo, some researchers say.
liens should be common, yet there is no convincing evidence that they exist. So why haven't we found them?
Aliens are among us. That's the gist of comments made by billionaire space entrepreneur Robert Bigelow on CBS' "60 Minutes" last night. But how likely is this claim to be true?
Titan Books is now selling their 80-page homage to the popular horror/sci-fi franchise, "Alien: The Coloring Book." It's the official coloring book of the sci-fi series.